Use Mobile Media Browser for uploading jar & jad files for your phones. Visit this link and you will find all what you need for downloading your java games.
http://groups.yahoo.com/group/nokia_series40/ Upon installing MobiMB, just read the help section of the soft and you know how to upload javagames. This link is complete with software, javagames & applications for S40 phones. Disconnect your PC when instaling MobiMB.
BR
